Across
- 2. weak dose to protect from disease
- 5. Provide immunity against disease
- 7. unpleasant smell or vapour
- 8. heating food to kill microorganisms
- 10. belief that the body is made up of four substances
- 11. organism only visible in microscope
Down
- 1. heart monitor invented by Eithoven
- 2. not affected by disease
- 3. treat infections by killing bacteria
- 4. slows the growth of microorganisms
- 6. powerful xray
- 9. built by romans to transport fresh water